A frontal cross section illustration of the vagina showing the action of a vaginal lubricant which lubricates the entrance to the vagina and hydrates SuperStock When you get aroused, your vagina self lubricates. this makes the overall experience more fun. But what do you do when your body produces less lubrication?? For this and more Grab your copy. Understanding Arousal Fluid: What It Is and Why It Matters Sticky discharge: What does it mean? . . . Genital arousal involves vasocongestion and other physiological changes that occur in response to sexual stimuli Subjective arousal refers to mental engagement during sexual activity. Transvaginal Ultrasound: Purpose, Procedure & Results